Note the second thread properly discourages modifying WordPress core and references a fix at row 168 of functions.php in Twenty-Twelve 1.1.1 (the fix is at about row 200 in the current version of Twenty-Twelve.

Using your feed as an example, in firefox, safari, chrome and internet explorer browser and source, the title of your feed is “Beyond The CodeBeyond The Code” instead of “Beyond The Code”. To make sure it wasn’t just my laptop, I pulled it into Feedly and a couple of other readers and checked it on my S4 and Tab3.